Program Documentation:Program documentation refers to written materials, such as user manuals or technical guides, that provide information about how to use and maintain a software program. It includes instructions, explanations, diagrams, and other resources that help users understand and work with the program.
User Interface (UI): The user interface is the visual part of a software program that allows users to interact with it. It includes elements like buttons, menus, and forms.
Functional Testing: Functional testing is the process of testing whether a software program meets its specified requirements by checking if it performs all the intended functions correctly.